Revizija sigurnosne preporuke oznake MS12-024, originalno izdane 10. travnja 2012. godine, je objavljena. U njoj su navedeni nedostaci koje su napadači mogli iskoristiti kako bi pokrenuli programski kod i preuzeli kontrolu nad ranjivim sustavom.

Microsoft Security Bulletin MS12-024 - Critical
Vulnerability in Windows Could Allow Remote Code Execution (2653956)

Published: Tuesday, April 10, 2012 | Updated: Tuesday, July 31, 2012

Version: 1.1
General Information
Executive Summary

This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user or application runs or installs a specially crafted, signed portable executable (PE) file on an affected system.

This security update is rated Critical for all supported releases of Microsoft Windows. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerability by modifying the way that the Windows Authenticode Signature Verification function performs Windows Authenticode signature verification when verifying portable executable files. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

Recommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service.

See also the section, Detection and Deployment Tools and Guidance, later in this bulletin.

Known Issues. Microsoft Knowledge Base Article 2653956 documents the currently known issues that customers may experience when installing this security update. The article also documents recommended solutions for these issues.
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Affected and Non-Affected Software

The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.

Affected Software 
Operating System	Maximum Security Impact	Aggregate Severity Rating	Updates Replaced
Windows XP Service Pack 3
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows XP Professional x64 Edition Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2003 Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2003 x64 Edition Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2003 with SP2 for Itanium-based Systems
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Vista Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Vista x64 Edition Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2008 for 32-bit Systems Service Pack 2*
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2008 for x64-based Systems Service Pack 2*
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2008 for Itanium-based Systems Service Pack 2
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows 7 for 32-bit Systems
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows 7 for 32-bit Systems Service Pack 1
(KB2653956)	Remote Code Execution	Critical	None
Windows 7 for x64-based Systems
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows 7 for x64-based Systems Service Pack 1
(KB2653956)	Remote Code Execution	Critical	None
Windows Server 2008 R2 for x64-based Systems*
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2008 R2 for x64-based Systems Service Pack 1*
(KB2653956)	Remote Code Execution	Critical	None
Windows Server 2008 R2 for Itanium-based Systems
(KB2653956)	Remote Code Execution	Critical	KB978601 in MS10-019 replaced by KB2653956
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
(KB2653956)	Remote Code Execution	Critical	None

*Server Core installation affected. This update applies, with the same severity rating, to supported editions of Windows Server 2008 or Windows Server 2008 R2 as indicated, whether or not installed using the Server Core installation option. For more information on this installation option, see the TechNet articles, Managing a Server Core Installation and Servicing a Server Core Installation. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008 and Windows Server 2008 R2; see Compare Server Core Installation Options.
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Frequently Asked Questions (FAQ) Related to This Security Update
Vulnerability Information
Severity Ratings and Vulnerability Identifiers
WinVerifyTrust Signature Validation Vulnerability - CVE-2012-0151
Update Information
Detection and Deployment Tools and Guidance
Security Update Deployment
Other Information
Acknowledgments

Microsoft thanks the following for working with us to help protect customers:

    Robert Zacek and Igor Glucksmann of Avast Software for reporting the WinVerifyTrust Signature Validation Vulnerability (CVE-2012-0151)

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Microsoft Active Protections Program (MAPP)
To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections websites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.
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Support

How to obtain help and support for this security update

    Help installing updates: Support for Microsoft Update
    Security solutions for IT professionals: TechNet Security Troubleshooting and Support
    Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center
    Local support according to your country: International Support

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Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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Revisions

    V1.0 (April 10, 2012): Bulletin published.
    V1.1 (July 31, 2012): Bulletin revised to announce a detection change in the Windows Vista packages for KB2653956 to correct a Windows Update reoffering issue. This is a detection change only. Customers who have already successfully updated their systems do not need to take any action.